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Finding the Fourth Proportional to 268,854, 403,281 and 93,750

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Solution

The fourth proportional to 268,854, 403,281 and 93,750 is: 140,625

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,854 : 403,281 = 93,750 : x
  2. Step 2: Convert to fraction form
    268,854/403,281 = 93,750/x
  3. Step 3: Cross multiply
    268,854x = 403,281 × 93,750
  4. Step 4: Simplify right side
    268,854x = 37,807,593,750
  5. Step 5: Solve for x
    x = 37,807,593,750/268,854
  6. Step 6: Final answer
    x = 140,625

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.